This detailed manual titled "A Guide to Substance Abuse Services for Primary Care Clinicians" is a good reference manual for primary care intervention for substance use disorders. We will be covering many of the topics included in this manual through other resources found in this and other modules. You do not need to review this entire guide now. However, it is recommended that you download it and review the Table of Contents now, so that you become familiar with what it covers and can refer back to it as needed. Many issues covered in this manual, such as specialized treatment and some pharmacotherapy, will not be addressed by the other resources in this training.